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  • Sierra 18-3641 Thermostat
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    Sierra 18-3641 Thermostat
    Sierra's 18-3641 Thermostat fits Yamaha F75B (2017-18), F90B (2016-18), VF90A (2018) models. It is interchangeable with Yamaha Outboard 6FP-12411-00-00. Each Sierra product meets or exceeds the original equipment part it replaces.
    $42.48
    $69.46
    $42.48
  • Sierra 18-3644 Thermostat Kit
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    Sierra 18-3644 Thermostat Kit
    Sierra's 18-3644 Thermostat Kit is designed for use in marine stern drive applications. The kit contains (1) 18-2553 Thermostat Gasket, (1) 18-3649 Thermostat, and (1) 18-0398 Thermostat Gasket. Each Sierra product meets or exceeds the original equipment part it replaces.
    $27.74
    $34.02
    $27.74
  • Sierra 18-3646 Thermostat Kit
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    Sierra 18-3646 Thermostat Kit
    Sierra's 18-3646 Thermostat Kit fits Ford and GM V-8 engines with standard cooling (1982 and older) and hi-performance models engines with closed cooling (1996 and older). The kit contains (1) 18-2553 Thermostat Gasket, (1) 18-2834 Thermostat Cover Gasket, (1) 18-2844 Thermostat Cover Gasket, (1)...
    $29.06
    $37.24
    $29.06
  • Sierra 18-3647 Thermostat Kit
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    Sierra 18-3647 Thermostat Kit
    Sierra's 18-3647 Thermostat Kit fits GM engines with standard cooling requiring a 160 ° thermostat (1987 and newer). The kit contains (1) 18-2552 Thermostat Cover Gasket, (1) 18-2553 Thermostat Gasket, (1) 18-2844 Thermostat Cover Gasket, (1) 18-2917 Thermostat Housing Gasket, (1) 18-3649 Thermostat, (1)...
    $26.92
    $42.18
    $26.92
  • Sierra 18-3647D Thermostat Kit
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    Sierra 18-3647D Thermostat Kit
    Sierra's 18-3647D Thermostat Kit features a 160 °F Temperature Rating. It is designed for use with 1987 and newer GM engines with standard cooling requiring a 160 ° thermostat. It is interchangeable with GLM 13101, Mallory 9-43157, Mercruiser Stern Drive 807252Q-5, 807252T8. The kit...
    $24.79
    $42.18
    $24.79
  • Sierra 18-3648 Thermostat Kit - Mallory
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    Sierra 18-3648 Thermostat Kit - Mallory
    The Sierra 18-3648 Thermostat Kit is interchangeable with the following: Mallory 9-43100. Contains: 18-3649 Thermostat, 18-2553 Thermostat Cover Gasket, 18-2917 Thermostat Gasket. Each thermostat kit meets or exceeds the original equipment part it replaces. The thermostat has a temperature rating of 160 °F. Fit...
    $27.09
    $33.19
    $27.09
  • Sierra 18-3649 Thermostat
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    Sierra 18-3649 Thermostat
    Sierra's 18-3649 Thermostat fits GM engines with standard cooling requiring a 160 ° thermostat (1987 and newer). It is interchangeable with Crusader 97895, GLM 13100, Mallory 9-43002, and Mercruiser Stern Drive 8052732, 8072522, 807252T2, 8M0091470, 8M0109441. Each Sierra product meets or exceeds the original...
    $22.50
    $35.64
    $22.50
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  • Sierra 18-3650 Thermostat Kit
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    Sierra 18-3650 Thermostat Kit
    Sierra's 18-3650 Thermostat Kit fits MCM GM in-line 4 and 6 cylinder engines (1998 and older). The kit contains (1) 18-2831 Thermostat Cover Gasket and (1) 18-3550 Thermostat. It is interchangeable with GLM 13370, Mallory 9-43153, and Mercruiser Stern Drive 59078T3. Each Sierra product...
    $19.56
    $39.13
    $19.56
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  • Sierra 18-3651D Thermostat Kit (Display Packaging)
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    Sierra
    Sierra 18-3651D Thermostat Kit (Display Packaging)
    Sierra's 18-3651D Thermostat Kit is designed for use in marine stern drive applications. The kit contains (1) 18-2553 Thermostat Gasket, (1) 18-2554 Thermostat Cover Gasket, (1) 81-2834 Thermostat Cover Gasket, (1) 18-2844 Thermostat Cover Gasket, and (1) 18-3551 Thermostat. It is interchangeable with GLM...
    $10.12
    $26.44
    $10.12
  • Sierra 18-3653 Thermostat Kit
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    Sierra 18-3653 Thermostat Kit
    Sierra's 18-3653 Thermostat Kit is designed for use in marine applications. The kit contains (1) 18-2858 Thermostat Housing Gasket, (1) 18-2947 Thermostat Gasket, (1) 18-3554 Thermostat, (1) 18-7170 O-Ring, (1) 18-0929 Thermostat Gasket, and (1) 18-0398 Thermostat Gasket. It is interchangeable with GLM 13430...
    $32.40
    $41.57
    $32.40
  • Sierra 18-3668 Thermostat Kit
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    Sierra 18-3668 Thermostat Kit
    Sierra's 18-3668 Thermostat Kit fits GM V-6 and V-8 engines with standard cooling ( 1983 and newer). The kit contains (1) 18-2552 Thermostat Gasket Cover, (1) 18-2553 Thermostat Gasket, (1) 18-2554 Thermostat Cover Gasket, (1) 18-2917 Thermostat Housing Gasket, (1) 18-3551 Thermostat, and (1)...
    $37.20
    $45.86
    $37.20
  • Sierra 18-3668D Thermostat Kit
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    Sierra 18-3668D Thermostat Kit
    Sierra's 18-3668D Thermostat Kit features a 142 °F Temperature Rating. It is designed for use with 1983 and newer GM V-6 and V-8 engines with standard cooling. It is interchangeable with GLM 13390, Mallory 9-43150, Mercruiser Stern Drive 807252Q4, 807252T4. The kit contains 18-2552...
    $37.20
    $45.86
    $37.20
  • Sierra 18-3671 Thermostat Kit
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    Sierra 18-3671 Thermostat Kit
    Sierra's 18-3671 Thermostat Kit is designed for use with Ford 302/351 raw water cooled CID engines and Crusader models CH190, CH220, CH270, CH350. The kit contains (1) 18-3551 Thermostat, (1) 18-0875 Thermostat Gasket, (1) 18-0878 Thermostat Cover Gasket, and (1) 18-0665 Thermostat Gasket. It...
    $26.85
    $32.90
    $26.85
  • Sierra 18-3672D Thermostat Kit
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    Sierra 18-3672D Thermostat Kit
    Sierra's 18-3672D Thermostat Kit features a 130 °F Temperature Rating. It is interchangeable with GLM 13350 and Mallory 9-43101. The kit contains 18-0182 Thermostat Gasket and 18-3553 Thermostat. Each Sierra product meets or exceeds the original equipment part it replaces.
    $19.13
    $31.15
    $19.13
  • Sierra 18-3674 Thermostat Kit
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    Sierra 18-3674 Thermostat Kit
    Sierra's 18-3674 Thermostat Kit is designed for use in Johnson and Evinrude outboard applications. The kit contains (1) 18-1219 Grommet Gasket (V6 Crossflow), (1) 18-0182 Thermostat Gasket, (1) 18-3135 Stainless Steel Bolt, (1) 18-2546 Thermostat Cover Gasket, (1) 18-3567 Rubber Valve (V6 Crossflow), (1)...
    $36.16
    $44.30
    $36.16
  • Sierra 18-3677 Thermostat Kit
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    Sierra 18-3677 Thermostat Kit
    Sierra's 18-3677 Thermostat Kit is designed for use in Volvo Penta applications. The kit contains (1) 18-7170 O-Ring, (1) 18-0398 Thermostat Gasket, and 18-3554 Thermostat. It is interchangeable with Mallory 9-43028 and Volvo Penta 3856961, 835417, 3852071. Each Sierra product meets or exceeds the...
    $27.17
    $32.72
    $27.17
  • Sierra 18-3677D Thermostat Kit
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    Sierra 18-3677D Thermostat Kit
    Sierra's 18-3677D Thermostat Kit is designed for use in Johnson/Evinrude outboard and OMC stern drive applications. It is interchangeable with Mallory 9-43028, Volvo Penta 3856961, 835417, 3852071. The kit contains 18-7170 O-Ring, 18-0398 Thermostat Gasket, and 18-3554 Thermostat. Each Sierra product meets or exceeds...
    $27.17
    $32.72
    $27.17
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  • Sierra 18-3700 Prop Nut
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    Sierra
    Sierra 18-3700 Prop Nut
    The Sierra 18-3700 Prop Nut is precision engineered to install quickly and reliability. Each Sierra product meets or exceeds the original equipment part it replaces. Follow manufacturer recommendations for proper fit and usage information.
    $10.24
    $16.73
    $10.24
  • Sierra 18-3701 Prop Nut Kit
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    Sierra
    Sierra 18-3701 Prop Nut Kit
    The Sierra 18-3701 Prop Nut Kit is interchangeable with the following: GLM 21250, Chrysler 11-51707A1, Mallory 9-73960, Mercury/Mercruiser 11-52707A2, 11-52707A1, 11-52707Q1. Each Sierra product meets or exceeds the original equipment part it replaces. This prop nut kit contains (2) 18-3200 Tab Washer and (1)...
    $19.60
    $18.79
    $19.60
  • Sierra 18-3702 Prop Nut Kit
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    Sierra
    Sierra 18-3702 Prop Nut Kit
    The Sierra 18-3702 Prop Nut Kit is interchangeable with the following: GLM 21260, Mallory 9-73961, Mercury 11-69578T1, 11-69578Q1, 11-69579A1, Chrysler 11-69578A1. Each Sierra product meets or exceeds the original equipment part it replaces. Kit contains (2) 18-3204 Tab Washer and (1) 18-3704 Prop Nut.
    $14.31
    $16.16
    $14.31

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